Incident Tracker / United States (federal)
Pizzimenti v. City of Detroit
On 2026-03-27, U.S. District Court for the Eastern District of Michigan dismissed the claims and warned that factitious citations in the complaint and motion could be treated as AI-created hallucinations. A self-represented party submitted a complaint with false quotations, fabricated or nonexistent authorities and mischaracterized authorities, including Williams v. City of Cleveland, No. 1:18-CV-2911 and Jensen v. Utah Cnty.
- Court
- United States District Court for the Eastern District of Michigan
- Date
- 2026-03-27
- Who used the AI
- Litigant in person
- AI tool
- Not identified in the record
- Conduct
- Plaintiff's response brief and complaint contained multiple factitious citations to authorities that did not exist or did not support the proposition offered.
- Outcome
- Warning
- Penalty
- No monetary penalty recorded
- Regulatory outcome
- No separate regulatory disposition recorded
- Status
- Provisional — written by the court-decisions pipeline, awaiting the editor
- Last checked
- 2026-09-07
Primary sources for this incident
Related regulation records for this incident
No related regulation record has been linked to this incident yet.
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Cite this record
SafeLegalAI Global Legal AI Incident Tracker, “Pizzimenti v. City of Detroit”, safelegalai.com/tracker/pizzimenti-v-city-of-detroit-et-al (accessed 2026-10-07). Data: CC BY 4.0.